If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
2/10 = n/15 // - n/15
2/10-(n/15) = 0
1/5-1/15*n = 0 // - 1/5
-1/15*n = -1/5 // : -1/15
n = -1/5/(-1/15)
n = 3
n = 3
| 3a-17+55+2a+2=180 | | -1.8x=-165.24 | | .7s=-77 | | c+13+c+47+80=180 | | 5.76=16x | | 65+4p+p+35=180 | | 60(2s+5)=64 | | 8x-22=-26 | | 1=s-0.007 | | (y^2+2y)=6x-18 | | 47+53+w-16=180 | | 62+83+p-47=180 | | (x^2+y^2)dx+(y^2-xy)dy= | | 9t+13t+70=180 | | 15/16=n/4 | | N/15=8/10 | | 0.08x+28.3=0.5x-9.5 | | 3u+2u+55=180 | | 2/n=3/12 | | -30.2+n=-32 | | 90/30=60/n | | 18x=x(18-3)+5 | | 8(2t+1)=4(7+7) | | 5/12=?/24 | | 8y+16y=120 | | 2x^3-12x=0 | | 20-y=32-2y | | 4w^2=5w+6 | | 5x+4+7x=10 | | x^2+5x-86=0 | | 6(y-5)(4y-1)= | | z+27=2z |